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Contaminant, Media, and Site Type-Specific Consultation Directives

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Headquarters Consultation for Dioxin Sites (PDF)(2 pp, 31 K)
Requests that Regional Offices consult with EPA Headquarters on sites where remediation goals are to be developed for dioxin in soils.
EPA 540/F-97/014, OSWER9200.4-19, NTIS:PB97-963225INX, December 1996

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Groundwater and Technical Impracticability (TI)

Summary of Key Existing EPA CERCLA Policies for Groundwater Restoration (PDF)(12 pp, 2.3 MB)
This Directive provides a compilation of some key existing EPA groundwater policies to assist EPA Regions in making groundwater restoration decisions pursuant to CERCLA and the NCP.  It addresses: Whether CERCLA remedial action is warranted, Appropriate role of institutional controls (ICs), Groundwater classification and Beneficial use policy, Remedial action cleanup levels and Groundwater point of compliance.
OSWER Directive 9283.1-33. June 2009

Superfund Ground Water RODs: Implementing Change This Fiscal Year (PDF)(2 pp, 34 K)
Addresses policies concerning Records of Decision (RODs) for sites with ground-water contamination. Emphasizes that Technical Impracticability (TI) waivers will generally be appropriate for sites with contaminated ground water where restoration to drinking water standards is technically impracticable (eg. DNAPL sites), or the Region must inlcude a written justification for departure from this policy.
EPA-540-F-99-005, OSWER 9335.5-03P, NTIS:PB99-963220, July 1995

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Lead Site Response Decisions: Formation of the Lead Sites Consultation Group (PDF)(5 pp, 56 K)
Reiterates the 3 site criteria that could trigger review of lead-related Proposed Plans and summarizes the consultation requirements for such sites.
OSWER 9355.4-26, May 1997

Administrative Reforms for Lead Risk Assessment (PDF)(38 pp, 1.5 MB)
Includes a request for information on residential lead risk assessments and a draft plan for achieving these goals.
OSWER 9200.4-20, EPA 540-F-97-015, NTIS: PB97-963226, April 1996

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Concurrence Policy for Mercury Removals (PDF)(3 pp, 36 K)
Modifies Headquarters consultation requirements concerning removal actions addressing certain residential mercury contaminations. Mercury contamination will no longer be considered "nationally significant" unless the contamination is contained within the building structure, in which case consultation requirements should be followed in accordance with ""Response Actions at Sites with Contamination Inside Buildings" (August 1993).
OSWER 9360.1-05, May 1998

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Methyl Tertiary Butyl Ether (MTBE)

Headquarters Consultation for Addressing Methyl Tertiary Butyl Ether (MTBE) Contamination Under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) (PDF)(2 pp, 32 K)
Requests Headquarters consultation when considering the use of CERCLA authority to address MTBE contamination. 
OSWER 9200.4-21, May 1997

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Radioactive Materials

Headquarters Consultation for Radioactively Contaminated Sites (PDF)(4 pp, 420 K)
Requests that Regional Offices consult with EPA Headquarters on CERCLA response decisions involving on-site management of radioactive materials or when there is a potential national precedent setting issue related to a radioactive substance.
OSWER 9200.1-33P, NTIS: PB2000 963304, July 2000

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Changes to the Roles and Responsibilities of the Contaminated Sediments Technical Advisory Group (CSTAG) (PDF)(4 pp, 654 K)
This memorandum supplements OSWER Directive 9285.6-08: "Principles for Managing Contaminated Sediment Risks at Hazardous Waste Sites", issued February 12, 2002, by defining the level of CSTAG involvement in the National Remedy Review Board review of proposed plans at large contaminated sediment sites.
OSWER 9285.6-20, September 2009

Principles for Managing Contaminated Sediment Risks at Hazardous Waste Sites (PDF)1(11 pp, 76 K)
Presents eleven risk management principles to use as guidelines for site assessment and response when addressing contaminated sediment sites. This directive is consistent with the strategies of the NRC 2001 report "A Risk management Strategy for PCB-Contaminated Sediments." New Headquarters consultation requests are included.
OSWER 9285.6-08

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Response Actions that Affect Residential or Commercial Structures (PDF)(2 pp, 29 K)
Specifies for Regions to consult with OSWER, through their OSRTI Regional Accelerated Response Center, before making any final decisions regarding a response which will impact a residential or commercial building. [2 pp]
OSWER 9360.3-20, EPA 540/F-98/029, NTIS:PB98-963243, May 1998

Response Actions at Sites with Contamination Inside Buildings (PDF)(6 pp, 102 K)
Addresses the use of the CERCLA authority to conduct response actions within buildings that are contaminated. Includes a flow-chart that designates the sequence of steps to take when addressing indoor contamination scenarios. Headquarters consultation requirements are defined. See updated policies concerning mercury contamination in "Concurrence Policy For Mercury Removals" (5/98).
OSWER 9360.3-12, August 1993

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Superseded Documents

1This document supersedes: "Fiscal Year 2001 Appropriations Conference Report Language on Contaminated Sediments" - Memorandum (March, 2001) OSWER 9200.0-36

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